Wis. Stat. § 703.27: Zoning and building regulations.

(1) A zoning or other land use ordinance or regulations may not prohibit the condominium form of ownership or impose any requirements upon a condominium that it would not impose if the development were under a different form of ownership. No provision of a state or local building code may be applied differently to a building in a condominium than it would be applied if the building were under a different form of ownership unless the different application is expressly permitted in that provision and the different application is reasonably related to the nature of condominium ownership. No subdivision ordinance may apply to any condominium unless the ordinance is, by its express terms, applicable to condominiums and the application is reasonably related to the nature of condominium ownership.

(2) No county, city, or other jurisdiction may enact any law, ordinance, or regulation that would impose a greater burden or restriction on a condominium or provide a lower level of services to a condominium than would be imposed or provided if the condominium were under a different form of ownership.